4441151642 has 8 divisors (see below), whose sum is σ = 6787420596. Its totient is φ = 2178678112.

The previous prime is 4441151641. The next prime is 4441151653. The reversal of 4441151642 is 2461511444.

It can be written as a sum of positive squares in 2 ways, for example, as 4399536241 + 41615401 = 66329^2 + 6451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4441151599 and 4441151608.

It is not an unprimeable number, because it can be changed into a prime (4441151641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20948723 + ... + 20948934.

Almost surely, 2^4441151642 is an apocalyptic number.

4441151642 is a deficient number, since it is larger than the sum of its proper divisors (2346268954).

4441151642 is a wasteful number, since it uses less digits than its factorization.

4441151642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41897712.

The product of its digits is 15360, while the sum is 32.

The square root of 4441151642 is about 66641.9660724382. The cubic root of 4441151642 is about 1643.7352451133.

The spelling of 4441151642 in words is "four billion, four hundred forty-one million, one hundred fifty-one thousand, six hundred forty-two".